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550550005057 = 13298919938233
BaseRepresentation
bin10000000001011110101…
…01100110010101000001
31221122001202222000222001
420000233111212111001
533010011300130212
61100530313144001
754530066554363
oct10005725462501
91848052860861
10550550005057
111a253a141488
128a84a0bb001
133cbbbb30380
141c90aa04d33
15e4c391c657
hex802f566541

550550005057 has 32 divisors (see below), whose sum is σ = 620622928800. Its totient is φ = 484860321792.

The previous prime is 550550005013. The next prime is 550550005063. The reversal of 550550005057 is 750500055055.

It can be written as a sum of positive squares in 16 ways, for example, as 275545205776 + 275004799281 = 524924^2 + 524409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550550005057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550550005097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66867013 + ... + 66875245.

It is an arithmetic number, because the mean of its divisors is an integer number (19394466525).

Almost surely, 2550550005057 is an apocalyptic number.

It is an amenable number.

550550005057 is a deficient number, since it is larger than the sum of its proper divisors (70072923743).

550550005057 is a wasteful number, since it uses less digits than its factorization.

550550005057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10357.

The product of its (nonzero) digits is 109375, while the sum is 37.

The spelling of 550550005057 in words is "five hundred fifty billion, five hundred fifty million, five thousand, fifty-seven".

Divisors: 1 13 29 89 377 1157 1993 2581 8233 25909 33553 57797 107029 177377 238757 732737 751361 2305901 3103841 5143933 9525581 16408369 21249373 66871129 213308797 276241849 475842701 1460344841 6185955113 18984482933 42350000389 550550005057